Conditional Entropy for Deception Analysis, 13th ICCRTS: C2 for Complex Endeavors
Abstract
This paper describes how basic concepts from information theory
can be used to analyze deception. We show how a general definition
of deception can be mapped to a simple communication model known
as a Z-channel, and we show that any deception has associated with it
a closely related deception we call it’s symmetric complement. These
ideas allow computation of a specific form of conditional entropy which
indicates the average uncertainty, in bits, that a deception imposes on
a deception target. This uncertainty provides unique and general insight
into a deceptions performance, and also indicates the general
counter-deception potential available to a deception target. We then
describe two deception-based mechanisms for computer security: the
fake honeypot serves to inoculate a computer against intrusions; and
the spoofing channel provides a safe and effective means for responding
to in-progress computer intrusions. The spoofing channel is of
fundamental interest because it is a deception equal to its symmetric
complement.
Description
13th International Command and Control Research and Technology Symposium (ICCRTS), June 17-19, 2008, Seattle, WA.
International Command and Control Research and Technology Symposium, Bellevue, WA, June 2008.
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